Finding the Fourth Proportional to 292,032.64, 438,046.99 and 157,160.17
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Solution
The fourth proportional to 292,032.64, 438,046.99 and 157,160.17 is: 235,739.20
Step by Step Solution
- Step 1: Write the proportion equation
292,032.64 : 438,046.99 = 157,160.17 : x - Step 2: Convert to fraction form
292,032.64/438,046.99 = 157,160.17/x - Step 3: Cross multiply
292,032.64x = 438,046.99 × 157,160.17 - Step 4: Simplify right side
292,032.64x = 68,843,540,803.05 - Step 5: Solve for x
x = 68,843,540,803.05/292,032.64 - Step 6: Final answer
x = 235,739.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.